Functions of Carbohydrates in the Body There are two types of carbohydrates, digestible and indigestible. The body provides energy from digestible carbohydrates. Indigestible carbohydrates known as dietary fiber have positive effects on digestion. In short, carbohydrates have three important functions in the body. First, it is the body’s primary source of energy. Secondly, it is used as a building material in all tissues and cells…